[UVa] 445 Marvelous Mazes.cpp

#include <cstdio>
using namespace std;
int main()
{
  //  freopen ("input.txt","rt",stdin);
    char c;
    int num=0;
    while (c=getchar()){
        if (c == EOF) break;
        if (c == '\n' || c == '!')
            printf("\n");
        else if (c >= '0' && c <= '9')
            num += (c - '0');
        else{
            if (c == 'b'){
                for (int i=0; i<num; i++)
                    printf(" ");
            }
            else {
                for (int i=0; i<num; i++)
                    printf("%c",c);
            }
            num = 0;
        }
    }
    return 0;
}